On 3-dots press, now if the SlidingPanelLayout is already open, it is closed.
On 3-dots press, now if the SlidingPanelLayout is already open, it is closed.

Gartok/com.numix.calculator,pranaypatel512/com.numix.calculator,Gartok/IMIE-TP-IC,abishekaditya/com.numix.calculator,MPTtest/hedy,numixproject/com.numix.calculator